效果圖：
代碼如下：
<!DOCTYPE html><html lang="en"><head> <meta charset="UTF-8"> <title>span實現的乘法表</title> <style type="text/css"> .wrap { width: 800px; margin: 20px auto; -webkit-user-select: none; -moz-user-select: none; -ms-user-select: none; user-select: none; } span { padding: 3px; font-weight: 700; display: inline-block; line-height: 30px; border-bottom: 2px solid #000000; border-left: 2px solid #000000; width: 80px; cursor: pointer; } .last { margin-top: -2px; border-top: 2px solid #000000; border-right: 2px solid #000000; } .bg0 { background-color: yellow; } .bg1 { background-color: lawngreen; } .bg2 { background-color: lightblue; } .hover { background-color: #BB3BD9; } .only{ background-color: lightsalmon; } </style></head><body><script> function multiplication(a) { var str = '<div class="wrap">'; for (var i = 1; i <= a; i++) { for (var j = 1; j <= i; j++) { var curstr = j + ' x ' + i + '= ' + i * j; j !== i ? str += '<span class="' + 'bg' + (i % 3) + '">' + curstr + '</span>' : str += '<span class="' + 'last bg' + (i % 3) + '">' + curstr + '</span><br/>'; } } str += "</div>"; document.write(str); } i multiplication(9); var oSpans = document.getElementsByTagName("span"); for (var i = 0; i < oSpans.length; i++) { oSpans[i].onclick = function () { //alert("我是第 "+parseInt(this.innerHTML)+" 行"); alert(this.innerHTML + " 我在第 " + this.innerHTML.charAt(4) + " 行"); } oSpans[i].onmouseover = function () { //console.log(111); var num = this.innerHTML.charAt(4); //console.log(num); for (var j = 0; j < oSpans.length; j++) { if (oSpans[j].innerHTML.charAt(4) === num) { oSpans[j].classList.add("hover"); } } this.classList.add("only"); } oSpans[i].onmouseout = function () { var num = this.innerHTML.charAt(4); for (var j = 0; j < oSpans.length; j++) { if (oSpans[j].innerHTML.charAt(4) === num) { oSpans[j].classList.remove("hover"); } } this.classList.remove("only"); } }</script></body></html>以上就是本文的全部內容，希望本文的內容對大家的學習或者工作能帶來一定的幫助，同時也希望多多支持武林網！
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